Fractions and Decimals
Change 11 and 4/7 to an improper fraction
81/7
Two numbers who product is 1 are called
multiplicative inverses
What do you do when you are asked to subtract rational numbers
Keep, Change, Change then follow the addition rules
4 and 1/5 * - 3/7
-1 and 4/5
-3 and 2/5 divided by -5 and 1/10
2/3
Write the decimal equivalent to 8/15
0.5333...
What is the name for a number that can be written as a fraction
rational number
6 and 3/5 - 18.34
-11.74
-8.365 * -2.03
16.98095
3/4 divided by -0.05
-15
write 5/9 as a decimal
0.555...
What type of notation is used to represent a repeating decimal?
bar notation
-7.95 + 4 and 1/10
-3.85
-0.4 * 7/12
-7/30
Evaluate a/b if a= -1/4 b=0.02
-12.5
Write 1 and 12/16 as a decimal
1.75
0.121212... is an example of this type of number
repeating decimal
What is the rule for adding integers with the SAME signs
Add the numbers normally and then keep the sign
What are the rules for multiplying and dividing the SAME signs vs. multiplying DIFFERENT signs
Same sign = positive answer
Different sign = negative answer
-3/5 divided by -3/4
4/5
Write 2.36 as a mixed number
2 and 9/25
What is the reciprocal of 3/4 ?
4/3
What is the rule for adding rational numbers with DIFFERENT signs
Subtract the smaller number from the larger number normally, then take the sign of the greater number
-3.12 * - 4.8
14.976
-4/7 divided by 8/9
-9/14